Trane SWT3544 Pressure Switch
For mid-to-large-scale refrigeration and HVACR systems, the Trane SWT3544 Pressure Switch is a critical safety component designed to mitigate risk from excessive head pressure. As a High Pressure Switch, this OEM replacement parts (often superceded by part number SWT03544) is factory-set to trip at 650 PSI, effectively cutting the control circuit to protect the compressor from mechanical failure or system rupture. With a SPST (Single-Pole Single-Throw) contact configuration and 1/2" NPT connection, it integrates seamlessly into the high-side liquid line or discharge line of Trane outdoor units. The 650 PSI open and 500 PSI close setpoints provide the standard operating envelope for R-410A and higher-pressure refrigerant applications. Built with a heavy-duty brass body and stainless steel internal diaphragms, this pressure switch provides long-term reliability in harsh condensing environments, ensuring that your system stays offline until the high-condition fault is properly addressed by a technician.
Key Benefits:
- Precision Safety: Factory-calibrated to open at 650 PSI and close at 500 PSI for reliable high-limit protection.
- Broad Compatibility: Supports various refrigeration components including compressors, condensers, and suction line accumulators.
- Rugged Construction: Features a durable brass body and stainless steel internals to resist corrosion and thermal fatigue up to 500°F.
- Direct OEM Fit: Replaces older SWT3544 and SWT03544 models used in high-performance cooling systems.
Common Questions:
- What causes a Trane high pressure switch to trip? Common triggers include dirty condenser coils, a malfunctioning outdoor fan motor, or an overcharged refrigerant system, all of which drive head pressure above the 650 PSI limit.
- Is the SWT3544 a manual or automatic reset? While designed for safety-focused high-pressure limits, field technicians should verify the specific system board logic, as many high-pressure events require a manual power cycle or board reset once pressures drop below 500 PSI.
- How do I test if my pressure switch is faulty? Use a multimeter to check for continuity across the terminals. If the system pressure is below 500 PSI but the switch remains open, the internal diaphragm may be stuck or ruptured.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $39.98
-65%$39.98
$13.99Trane SWT3544 Pressure Switch
For mid-to-large-scale refrigeration and HVACR systems, the Trane SWT3544 Pressure Switch is a critical safety component designed to mitigate risk from excessive head pressure. As a High Pressure Switch, this OEM replacement parts (often superceded by part number SWT03544) is factory-set to trip at 650 PSI, effectively cutting the control circuit to protect the compressor from mechanical failure or system rupture. With a SPST (Single-Pole Single-Throw) contact configuration and 1/2" NPT connection, it integrates seamlessly into the high-side liquid line or discharge line of Trane outdoor units. The 650 PSI open and 500 PSI close setpoints provide the standard operating envelope for R-410A and higher-pressure refrigerant applications. Built with a heavy-duty brass body and stainless steel internal diaphragms, this pressure switch provides long-term reliability in harsh condensing environments, ensuring that your system stays offline until the high-condition fault is properly addressed by a technician.
Key Benefits:
- Precision Safety: Factory-calibrated to open at 650 PSI and close at 500 PSI for reliable high-limit protection.
- Broad Compatibility: Supports various refrigeration components including compressors, condensers, and suction line accumulators.
- Rugged Construction: Features a durable brass body and stainless steel internals to resist corrosion and thermal fatigue up to 500°F.
- Direct OEM Fit: Replaces older SWT3544 and SWT03544 models used in high-performance cooling systems.
Common Questions:
- What causes a Trane high pressure switch to trip? Common triggers include dirty condenser coils, a malfunctioning outdoor fan motor, or an overcharged refrigerant system, all of which drive head pressure above the 650 PSI limit.
- Is the SWT3544 a manual or automatic reset? While designed for safety-focused high-pressure limits, field technicians should verify the specific system board logic, as many high-pressure events require a manual power cycle or board reset once pressures drop below 500 PSI.
- How do I test if my pressure switch is faulty? Use a multimeter to check for continuity across the terminals. If the system pressure is below 500 PSI but the switch remains open, the internal diaphragm may be stuck or ruptured.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
For mid-to-large-scale refrigeration and HVACR systems, the Trane SWT3544 Pressure Switch is a critical safety component designed to mitigate risk from excessive head pressure. As a High Pressure Switch, this OEM replacement parts (often superceded by part number SWT03544) is factory-set to trip at 650 PSI, effectively cutting the control circuit to protect the compressor from mechanical failure or system rupture. With a SPST (Single-Pole Single-Throw) contact configuration and 1/2" NPT connection, it integrates seamlessly into the high-side liquid line or discharge line of Trane outdoor units. The 650 PSI open and 500 PSI close setpoints provide the standard operating envelope for R-410A and higher-pressure refrigerant applications. Built with a heavy-duty brass body and stainless steel internal diaphragms, this pressure switch provides long-term reliability in harsh condensing environments, ensuring that your system stays offline until the high-condition fault is properly addressed by a technician.
Key Benefits:
- Precision Safety: Factory-calibrated to open at 650 PSI and close at 500 PSI for reliable high-limit protection.
- Broad Compatibility: Supports various refrigeration components including compressors, condensers, and suction line accumulators.
- Rugged Construction: Features a durable brass body and stainless steel internals to resist corrosion and thermal fatigue up to 500°F.
- Direct OEM Fit: Replaces older SWT3544 and SWT03544 models used in high-performance cooling systems.
Common Questions:
- What causes a Trane high pressure switch to trip? Common triggers include dirty condenser coils, a malfunctioning outdoor fan motor, or an overcharged refrigerant system, all of which drive head pressure above the 650 PSI limit.
- Is the SWT3544 a manual or automatic reset? While designed for safety-focused high-pressure limits, field technicians should verify the specific system board logic, as many high-pressure events require a manual power cycle or board reset once pressures drop below 500 PSI.
- How do I test if my pressure switch is faulty? Use a multimeter to check for continuity across the terminals. If the system pressure is below 500 PSI but the switch remains open, the internal diaphragm may be stuck or ruptured.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
